The Valterra A10252 Gray Awning Saver Clamp is the best and easiest-to-use device for wind control. Secures tightly to the side arms of awnings to prevent wind flapping and accidental rips or tears. Will not harm fabric. No parts to replace. High strength plastic clamps come with a lifetime warranty. Fits most awnings. Comes 2 per pack

Valterra A10252 (27#) Gray Awning Saver Clamp

Additional Product Information
This clamp simply attaches and makes installation a snap. Just unroll the awning, place the Awning Saver Clamps over the tensioner arm and tighten the wingnut to hold it in place then raise the awning to the height of your choice.